habanalabs/common/command_submission.c

515 	/* We need to handle tdr only once for the complete staged submission.
760 		/* decrement refcount to handle when first staged cs
781 	 * to handle hw_sob for signal/wait
1048 	struct hl_cs_encaps_sig_handle *handle;
1057 	idr_for_each_entry(&mgr->handles, handle, id)
1058 		if (handle->cs_seq == ULLONG_MAX)
1059 			kref_put(&handle->refcount, hl_encaps_release_handle_and_put_sob_ctx);
1282 		dev_err(hdev->dev, "CB handle 0x%llx invalid\n", chunk->cb_handle);
1789  * hl_cs_signal_sob_wraparound_handler: handle SOB value wrapaound case.
1988 	hl_cb_destroy(&hdev->kernel_mem_mgr, cb->buf->handle);
2011 	struct hl_cs_encaps_sig_handle *handle;
2043 	handle = kzalloc(sizeof(*handle), GFP_KERNEL);
2044 	if (!handle) {
2049 	handle->count = count;
2052 	handle->ctx = hpriv->ctx;
2056 	hdl_id = idr_alloc(&mgr->handles, handle, 1, 0, GFP_ATOMIC);
2065 	handle->id = hdl_id;
2066 	handle->q_idx = q_idx;
2067 	handle->hdev = hdev;
2068 	kref_init(&handle->refcount);
2088 	/* set the hw_sob to the handle after calling the sob wraparound handler
2091 	handle->hw_sob = hw_sob;
2096 	handle->pre_sob_val = prop->next_sob_val - handle->count;
2098 	handle->cs_seq = ULLONG_MAX;
2103 	*sob_addr = handle->hw_sob->sob_addr;
2108 			hw_sob->sob_id, handle->hw_sob->sob_addr,
2118 	hl_ctx_put(handle->ctx);
2119 	kfree(handle);
2140 		dev_dbg(hdev->dev, "unreserve signals, handle: %u, SOB:0x%x, count: %u\n",
2178 		/* Release the id and free allocated memory of the handle */
2290 			 * signals handle
2299 					/* get refcount to protect removing this handle from idr,
2302 					 * Since kref_put of this handle is executed outside the
2303 					 * current lock, it is possible that the handle refcount
2305 					 * case need to consider the handle as not valid.
2316 				dev_dbg(hdev->dev, "Cannot find encapsulated signals handle for seq 0x%llx\n",
2388 	 * for encaps signals case, we save the cs sequence and handle pointer
2393 		/* store the handle pointer, so we don't have to
2752 	 * re-initialize the completion here to handle 2 possible cases:
3173 			"user process got signal while waiting for CS handle %llu\n",
3348 	dev_dbg(hdev->dev, "Timestamp registration: interrupt id: %u, handle: 0x%llx, ts offset: %llu, cq_offset: %llu\n",
3459 	 * same list could have nodes for different cq counter handle.